Finding the Fourth Proportional to 154,648.08, 213,517.16 and 118,773.98
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Solution
The fourth proportional to 154,648.08, 213,517.16 and 118,773.98 is: 163,987.05
Step by Step Solution
- Step 1: Write the proportion equation
154,648.08 : 213,517.16 = 118,773.98 : x - Step 2: Convert to fraction form
154,648.08/213,517.16 = 118,773.98/x - Step 3: Cross multiply
154,648.08x = 213,517.16 × 118,773.98 - Step 4: Simplify right side
154,648.08x = 25,360,282,891.50 - Step 5: Solve for x
x = 25,360,282,891.50/154,648.08 - Step 6: Final answer
x = 163,987.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.